Specifications

438 Review Questions and Answers | Module 127: Protege DIN Rail Hardware Configuration
Is the wiring method shown in this diagram acceptable?
Assume the power supplies indicated in the diagram shown are DIN Rail PSU's. Is this an acceptable wiring
method? If so, what is the maximum recommended average current that the Controller could draw?
Module #3 Module #1 PRT-CTRL-DIN
NAN+ N- NB
NAN+ N- NB NAN+ N- NB
Module #2
NAN+ N- NB
Power Supply #3 Power Supply #2 Power Supply #1
 This is an unacceptable wiring method
 Acceptable, 3 Amps
 Acceptable, 9 Amps
 Acceptable, 4 Amps
Where and when should a diode be fitted?
 Across the coil when a coil is being controlled
 Across the lock when a lock is being controlled
 Across the relay when a relay is being controlled
 All of the above
Where does the shield of the cable connected to a reader get connected?
 Frame grounded at one point. Connected to the reader shield.
 Wired to V- at the Reader Expander. Connected to the reader shield.
 Card reader cable is not shielded.
 Frame grounded at one point. Not connected to the reader shield.
What does a constant red fault indicator mean?
 The Module is in identification mode
 Module communications activity
 The module is in error state. The status light will flash an error code.
 The module is in boot mode awaiting firmware